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A car loses 15% of its value every year. After 2 years it is worth £10,115.
(a)Work out the value of the car when it was new.[3 marks]
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Ratio · non-calculator3 marks
£160 is split between music and sport in the ratio 3 : 5. Music gives away a quarter of its share. How much does music keep?
- 160 × 3/8 = 60P1
- 160 × 1/4 = 40P0
- 60 − 40 = £20A0
Applying one quarter to the whole fund uses the wrong base.
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Area and cost4 marks
Tiles for a 4.2 m by 3.5 m floor. One box covers 1.5 m² and costs £18. Does £175 cover it?
- Cost of the tiles: £176.40Not yet
You priced 9.8 boxes. Amir can only buy whole boxes, so round 9.8 up to 10.
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